MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains a large number of links, many pointing to compromised CMS upload directories or disposable hosting, indicating a link farm or redirection scheme. The primary purpose appears to be directing users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://www.advokat.com/app/webroot/img/fck/file/89651152544.pdf In PDF document text
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/jsqiu1e6u3670df0vbsibp57bi/16136036562.pdfIn PDF document text
- https://rent-1.es/ckfinder/userfiles/files/gidure.pdfIn PDF document text
- https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/fjvcand625tinug7lf72tlivuo/58222739698.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084b774d04f1---71202409722.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160884803be5e9---jaliwejejewepuzakujiv.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/mpqtvvt4s16uqfbiknk94tp3tu/26430517293.pdfIn PDF document text
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/sf3ik7rcra9k4u58ac3cj4pm0r/wizivuzi.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d24ca8d08---wuzigofatilejuwezuxejipir.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/16077fe46dbbf7---60100153633.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/c236b961e8862553f7f5ef38b28285f0/15949529113.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097b77b68293---kazitoxobejojanewasib.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/sgoi08p636qr7rpmn33139lfa8/mumifosamelavixafude.pdfIn PDF document text
- https://vegan-eshop.cz/data/file/29861343554.pdfIn PDF document text
- http://amirafouad.com/uploaded_files/file/88777336893.pdfIn PDF document text
- http://ewinghighclassof1963.com/clients/e/e4/e4cb61fc1babc639533983e887b7272d/File/29653061805.pdfIn PDF document text
- https://optimustelecoms.com/ckfinder/userfiles/files/1064203253.pdfIn PDF document text
- http://bjdfszwy.com/filespath/files/20210807110105.pdfIn PDF document text
- http://kurier48.pl/files/userfiles/file/43658068482.pdfIn PDF document text
- http://prograsifkalip.com/files/tasadevokuko.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b0c6e646d17---mezezujunofajikotex.pdfIn PDF document text
- https://livresdarts.com/ckfinder/userfiles/files/40765578820.pdfIn PDF document text
- http://longearedhounds.com/clients/65743/File/55154450184.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607a19a26a502---23228061293.pdfIn PDF document text
- http://czytamzezrozumieniem.pl/userfiles/file/ralosoterojidupanovuba.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=handbook+of+petroleum+refining+processes+4th+edition+pdf+free+downloadPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001c261.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C261 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001da73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1DA73 | 20272 bytes |
SHA-256: de35c09e1b3fe0964222a7db702f6a1b56a3cf909393360ad7daf3d84d3ada7e |
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font_02_sfnt_off00020c9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20C9B | 11556 bytes |
SHA-256: df68773abf04584078935f9a91f1e24578faf0a407a1acafcd9dc051fa8851f9 |
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